<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

abstract class TreeToolbarButtonCore
{
	const DEFAULT_TEMPLATE_DIRECTORY = 'helpers/tree';

	protected $_attributes;
	private   $_class;
	private   $_context;
	private   $_id;
	private   $_label;
	private   $_name;
	protected $_template;
	protected $_template_directory;

	public function __construct($label, $id = null, $name = null, $class = null)
	{
		$this->setLabel($label);
		$this->setId($id);
		$this->setName($name);
		$this->setClass($class);
	}

	public function __toString()
	{
		return $this->render();
	}

	public function setAttribute($name, $value)
	{
		if (!isset($this->_attributes))
			$this->_attributes = array();

		$this->_attributes[$name] = $value;
		return $this;
	}

	public function getAttribute($name)
	{
		return $this->hasAttribute($name) ? $this->_attributes[$name] : null;
	}

	public function setAttributes($value)
	{
		if (!is_array($value) && !$value instanceof Traversable)
			throw new PrestaShopException('Data value must be an traversable array');

		$this->_attributes = $value;
		return $this;
	}

	public function getAttributes()
	{
		if (!isset($this->_attributes))
			$this->_attributes = array();

		return $this->_attributes;
	}

	public function setClass($value)
	{
		return $this->setAttribute('class', $value);
	}

	public function getClass()
	{
		return $this->getAttribute('class');
	}

	public function setContext($value)
	{
		$this->_context = $value;
		return $this;
	}

	public function getContext()
	{
		if (!isset($this->_context))
			$this->_context = Context::getContext();

		return $this->_context;
	}

	public function setId($value)
	{
		return $this->setAttribute('id', $value);
	}

	public function getId()
	{
		return $this->getAttribute('id');
	}

	public function setLabel($value)
	{
		return $this->setAttribute('label', $value);
	}

	public function getLabel()
	{
		return $this->getAttribute('label');
	}

	public function setName($value)
	{
		return $this->setAttribute('name', $value);
	}

	public function getName()
	{
		return $this->getAttribute('name');
	}

	public function setTemplate($value)
	{
		$this->_template = $value;
		return $this;
	}

	public function getTemplate()
	{
		return $this->_template;
	}

	public function setTemplateDirectory($value)
	{
		$this->_template_directory = $this->_normalizeDirectory($value);
		return $this;
	}

	public function getTemplateDirectory()
	{
		if (!isset($this->_template_directory))
			$this->_template_directory = $this->_normalizeDirectory(self::DEFAULT_TEMPLATE_DIRECTORY);

		return $this->_template_directory;
	}

	public function getTemplateFile($template)
	{
		if (preg_match_all('/((?:^|[A-Z])[a-z]+)/', get_class($this->getContext()->controller), $matches) !== FALSE)
			$controllerName = strtolower($matches[0][1]);

		if ($this->getContext()->controller instanceof ModuleAdminController && file_exists($this->_normalizeDirectory(
				$this->getContext()->controller->getTemplatePath()).$this->getTemplateDirectory().$template))
			return $this->_normalizeDirectory($this->getContext()->controller->getTemplatePath())
				.$this->getTemplateDirectory().$template;
		else if ($this->getContext()->controller instanceof AdminController && isset($controllerName)
			&& file_exists($this->_normalizeDirectory($this->getContext()->smarty->getTemplateDir(0)).'controllers'
				.DIRECTORY_SEPARATOR.$controllerName.DIRECTORY_SEPARATOR.$this->getTemplateDirectory().$template))
			return $this->_normalizeDirectory($this->getContext()->smarty->getTemplateDir(0)).'controllers'
				.DIRECTORY_SEPARATOR.$controllerName.DIRECTORY_SEPARATOR.$this->getTemplateDirectory().$template;
		else if (file_exists($this->_normalizeDirectory($this->getContext()->smarty->getTemplateDir(1))
				.$this->getTemplateDirectory().$template))
			return $this->_normalizeDirectory($this->getContext()->smarty->getTemplateDir(1))
					.$this->getTemplateDirectory().$template;
		else if (file_exists($this->_normalizeDirectory($this->getContext()->smarty->getTemplateDir(0))
				.$this->getTemplateDirectory().$template))
			return $this->_normalizeDirectory($this->getContext()->smarty->getTemplateDir(0))
				.$this->getTemplateDirectory().$template;
		else
			return $this->getTemplateDirectory().$template;
	}

	public function hasAttribute($name)
	{
		return (isset($this->_attributes)
			&& array_key_exists($name, $this->_attributes));
	}

	public function render()
	{
		return $this->getContext()->smarty->createTemplate(
			$this->getTemplateFile($this->getTemplate()),
			$this->getContext()->smarty
		)->assign($this->getAttributes())->fetch();
	}

	private function _normalizeDirectory($directory)
	{
		$last = $directory[strlen($directory) - 1];
        
        if (in_array($last, array('/', '\\'))) {
            $directory[strlen($directory) - 1] = DIRECTORY_SEPARATOR;
            return $directory;
        }
        
        $directory .= DIRECTORY_SEPARATOR;
        return $directory;
	}
}